Remove build.rs (#657)

Co-authored-by: Marcus Griep <marcus@griep.us>

.github/workflows/continuous-integration-workflow.yaml

@@ -37,6 +37,10 @@ jobs:
             default: true
             profile: minimal
             components: clippy
+      - name: Install Protoc
+        uses: arduino/setup-protoc@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: install ninja
         uses: seanmiddleditch/gha-setup-ninja@v3
       - name: clippy
@@ -59,6 +63,10 @@ jobs:
       - uses: actions/checkout@v2
         with:
           submodules: recursive
+      - name: Install Protoc
+        uses: arduino/setup-protoc@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: install ninja
         uses: seanmiddleditch/gha-setup-ninja@v3
       - name: cargo update -Zminimal-versions
@@ -96,6 +104,10 @@ jobs:
             toolchain: ${{ matrix.toolchain }}
             default: true
             profile: minimal
+      - name: Install Protoc
+        uses: arduino/setup-protoc@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
       - name: install ninja
         uses: seanmiddleditch/gha-setup-ninja@v3
       - uses: Swatinem/rust-cache@v1
@@ -123,6 +135,10 @@ jobs:
             toolchain: nightly
             default: true
             profile: minimal
+      - name: Install Protoc
+        uses: arduino/setup-protoc@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
       - uses: Swatinem/rust-cache@v1
       - name: install cargo-no-std-check
         uses: actions-rs/cargo@v1
@@ -149,21 +165,3 @@ jobs:
         with:
           command: check
           args: --manifest-path prost-build/Cargo.toml
-
-  vendored:
-    runs-on: ubuntu-latest
-    steps:
-      - name: checkout
-        uses: actions/checkout@v2
-        with:
-          submodules: recursive
-      - name: install toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-            toolchain: stable
-            default: true
-            profile: minimal
-      - uses: Swatinem/rust-cache@v1
-      - name: cargo check
-        run: cd test-vendored && cargo check
-

.gitignore

@@ -1,2 +1,4 @@
 target
 Cargo.lock
+
+.DS_Store

Cargo.toml

@@ -33,7 +33,6 @@ exclude = [
   "fuzz",
   # Same counts for the afl fuzz targets
   "afl",
-  "test-vendored"
 ]
 
 [lib]

prost-build/Cargo.toml

@@ -14,7 +14,6 @@ edition = "2018"
 
 [features]
 default = []
-vendored = []
 # When MSRV moves to 1.60, these can change to dep:
 cleanup-markdown = ["pulldown-cmark", "pulldown-cmark-to-cmark"]
 
@@ -30,15 +29,12 @@ prost-types = { version = "0.10.0", path = "../prost-types", default-features =
 tempfile = "3"
 lazy_static = "1.4.0"
 regex = { version = "1.5.5", default-features = false, features = ["std", "unicode-bool"] }
-# These two must be kept in sync
+which = "4"
+
+# These two must be kept in sync, used for `cleanup-markdown` feature.
 pulldown-cmark = { version = "0.9.1", optional = true, default-features = false }
 pulldown-cmark-to-cmark = { version = "10.0.1", optional = true }
 
-[build-dependencies]
-which = { version = "4", default-features = false }
-cfg-if = "1"
-cmake = "0.1"
-
 [dev-dependencies]
 env_logger = { version = "0.8", default-features = false }